protected override void OnPropertyChanging(RadPropertyChangingEventArgs args)
{
base.OnPropertyChanging(args);
if (args.Property != RadElement.VisibilityProperty || this.tabItems.Count <= 0)
{
return;
}
RadPageViewElement owner = (this.tabItems[0] as RadPageViewItem).Owner;
if (owner == null)
{
throw new NullReferenceException(string.Format("{0} has no parent TabStrip", (object)this.tabItems[0].ToString()));
}
for (int index = 0; index < this.tabItems.Count; ++index)
{
(this.tabItems[index] as RadPageViewItem).Visibility = (ElementVisibility)args.NewValue;
}
if (this.TabItems.Contains((RadItem)(owner.SelectedItem as RibbonTab)))
{
foreach (RibbonTab ribbonTab in (IEnumerable <RadPageViewItem>)owner.Items)
{
if (!this.TabItems.Contains((RadItem)ribbonTab))
{
owner.SelectedItem = (RadPageViewItem)ribbonTab;
break;
}
}
}
owner.InvalidateMeasure();
owner.InvalidateArrange();
owner.UpdateLayout();
}
protected override void OnPropertyChanging(RadPropertyChangingEventArgs e)
{
if (this.ownerTemplate == null)
{
return;
}
if (e.Property == GridViewColumn.WidthProperty)
{
int newValue = (int)e.NewValue;
int maxWidth = this.MaxWidth;
int minWidth = this.MinWidth;
e.Cancel = newValue <minWidth || maxWidth> minWidth && newValue > maxWidth && maxWidth > 0;
this.OwnerTemplate.BestFitQueue.Dequeue(this);
if (this.EventDispatcher != null)
{
ColumnWidthChangingEventArgs args = new ColumnWidthChangingEventArgs(this.Index, newValue);
args.Cancel = e.Cancel;
this.EventDispatcher.RaiseEvent <ColumnWidthChangingEventArgs>(EventDispatcher.ColumnWidthChanging, (object)this, args);
e.Cancel = args.Cancel;
}
}
else if (e.Property == GridViewColumn.IsCurrentProperty)
{
if (this.ownerTemplate.MasterTemplate == null || GridViewSynchronizationService.IsEventSuspended(this.ownerTemplate, KnownEvents.CurrentChanged))
{
return;
}
if ((bool)e.NewValue)
{
if (!this.CanBeCurrent)
{
e.Cancel = true;
return;
}
this.ownerTemplate.MasterTemplate.CurrentColumn = this;
e.Cancel = this.ownerTemplate.MasterTemplate.CurrentColumn != this;
}
else
{
this.ownerTemplate.MasterTemplate.CurrentColumn = (GridViewColumn)null;
e.Cancel = this.ownerTemplate.MasterTemplate.CurrentRow != null;
}
}
else if (e.Property == GridViewColumn.IsVisibleProperty)
{
bool newValue = (bool)e.NewValue;
e.Cancel = !newValue && !this.AllowHide && this.GetVisibleColumnsCount((IEnumerable)this.OwnerTemplate.Columns) > 1;
}
else if (e.Property == GridViewColumn.NameProperty)
{
string newValue = (string)e.NewValue;
if (this.ownerTemplate.Columns.Contains(newValue) && this != this.ownerTemplate.Columns[newValue])
{
throw new InvalidOperationException("A column with the same Name already exists in the collection");
}
this.ownerTemplate.Columns.Rename((string)e.OldValue, newValue);
}
base.OnPropertyChanging(e);
}
protected override void OnPropertyChanging(RadPropertyChangingEventArgs args)
{
if (this.valueChanging || args.Property == RadItem.TextProperty)
{
return;
}
base.OnPropertyChanging(args);
}
void AssociatedContentAreaElement_RadPropertyChanging(object sender, RadPropertyChangingEventArgs args)
{
if (args.Property.Name == "Bounds")
{
//suspend layout when animating
args.Cancel = timer.Enabled;
}
}
protected override void OnPropertyChanging(RadPropertyChangingEventArgs args)
{
if (args.Property == RadPageViewExplorerBarItem.IsExpandedProperty)
{
args.Cancel = this.TryExpandCollapse((bool)args.NewValue);
}
base.OnPropertyChanging(args);
}
private void item_RadPropertyChanging(object sender, RadPropertyChangingEventArgs e)
{
if (this.suspendTabChanging || sender is RadPageViewExplorerBarItem || e.Property != RadPageViewItem.IsSelectedProperty)
{
return;
}
e.Cancel = !this.OnPageChanging((RadPageViewItem)sender);
}
protected override void OnPropertyChanging(RadPropertyChangingEventArgs args)
{
base.OnPropertyChanging(args);
if (args.Property != RadLinearGaugeElement.ValueProperty || (double)(float)args.NewValue >= (double)this.rangeStart && (double)(float)args.NewValue <= (double)this.rangeEnd)
{
return;
}
args.Cancel = true;
}
protected override void OnPropertyChanging(RadPropertyChangingEventArgs e)
{
base.OnPropertyChanging(e);
if (this.TableElement == null || e.Property != GridRowElement.HotTrackingProperty)
{
return;
}
bool newValue = (bool)e.NewValue;
e.Cancel = newValue && !this.TableElement.EnableHotTracking;
}
protected override void OnPropertyChanging(RadPropertyChangingEventArgs e)
{
base.OnPropertyChanging(e);
if (e.Property == RadElement.VisibilityProperty && (ElementVisibility)e.NewValue == ElementVisibility.Collapsed)
{
int num = this.Owner.Items.IndexOf((RadPageViewItem)this);
bool flag = false;
for (int index = num + 1; index < this.Owner.Items.Count; ++index)
{
RadPageViewItem radPageViewItem = this.Owner.Items[index];
if (radPageViewItem.Visibility == ElementVisibility.Visible)
{
this.Owner.SelectedItem = radPageViewItem;
flag = true;
break;
}
}
if (!flag)
{
for (int index = num - 1; index > -1; --index)
{
RadPageViewItem radPageViewItem = this.Owner.Items[index];
if (radPageViewItem.Visibility == ElementVisibility.Visible)
{
this.Owner.SelectedItem = radPageViewItem;
flag = true;
break;
}
}
}
e.Cancel = !flag;
if (!e.Cancel)
{
this.ChangeTabVisibleCore();
}
if (this.owner == null)
{
return;
}
this.owner.InvalidateMeasure();
this.owner.UpdateLayout();
}
else
{
if (e.Property != RadElement.VisibilityProperty || (ElementVisibility)e.NewValue != ElementVisibility.Visible)
{
return;
}
this.ChangeTabVisibleCore();
}
}
void ComboBoxElement_RadPropertyChanging(object sender, RadPropertyChangingEventArgs args)
{
if (args.Property.Name.Equals("Text"))
{
if (_listItemClicked)
{
return;
}
else
{
if (IsDroppedDown)
{
args.Cancel = true;
}
}
}
}
protected override void OnPropertyChanging(RadPropertyChangingEventArgs args)
{
base.OnPropertyChanging(args);
if (args.Property != RadCollapsiblePanelElement.IsExpandedProperty)
{
return;
}
bool newValue = (bool)args.NewValue;
bool stopAnimations = this.ElementTree.Control.Site != null;
if (newValue)
{
this.Expand(true, stopAnimations);
}
else
{
this.Collapse(true, stopAnimations);
}
}
protected override void OnPropertyChanging(RadPropertyChangingEventArgs args)
{
base.OnPropertyChanging(args);
if (args.Property == RadItem.VisibilityProperty)
{
if (this.tabItems.Count > 0)
{
RadPageViewElement tabStrip = (this.tabItems[0] as RadPageViewItem).Owner;
if (tabStrip == null)
{
throw new NullReferenceException(
string.Format("{0} has no parent TabStrip", this.tabItems[0].ToString()));
}
for (int i = 0; i < this.tabItems.Count; i++)
{
RadPageViewItem currentTab = this.tabItems[i] as RadPageViewItem;
currentTab.Visibility = (ElementVisibility)args.NewValue;
}
if (this.TabItems.Contains(tabStrip.SelectedItem as RibbonTab))
{
foreach (RibbonTab tab in tabStrip.Items)
{
if (!this.TabItems.Contains(tab))
{
tabStrip.SelectedItem = tab;
break;
}
}
}
tabStrip.InvalidateMeasure();
tabStrip.InvalidateArrange();
tabStrip.UpdateLayout();
}
}
}
protected override void OnPropertyChanging(RadPropertyChangingEventArgs e)
{
base.OnPropertyChanging(e);
if (e.Property != LayoutControlGroupItem.IsExpandedProperty)
{
return;
}
CancelEventArgs e1 = new CancelEventArgs(false);
if (e.NewValue is bool)
{
if ((bool)e.NewValue && this.Expanding != null)
{
this.Expanding((object)this, e1);
}
if (!(bool)e.NewValue && this.Collapsing != null)
{
this.Collapsing((object)this, e1);
}
}
e.Cancel = e1.Cancel;
}
protected override void OnPropertyChanging(RadPropertyChangingEventArgs e)
{
base.OnPropertyChanging(e);
if (e.Property == RadItem.VisibilityProperty &&
((ElementVisibility)e.NewValue) == ElementVisibility.Collapsed)
{
int indexOfCurrentTab = this.Owner.Items.IndexOf(this);
bool selectedTabChanged = false;
for (int i = indexOfCurrentTab + 1; i < this.Owner.Items.Count; i++)
{
RadPageViewItem currentItem = this.Owner.Items[i] as RadPageViewItem;
if (currentItem.Visibility == ElementVisibility.Visible)
{
this.Owner.SelectedItem = currentItem;
selectedTabChanged = true;
break;
}
}
if (!selectedTabChanged)
{
for (int i = indexOfCurrentTab - 1; i > -1; i--)
{
RadPageViewItem currentItem = this.Owner.Items[i] as RadPageViewItem;
if (currentItem.Visibility == ElementVisibility.Visible)
{
this.Owner.SelectedItem = currentItem;
selectedTabChanged = true;
break;
}
}
}
e.Cancel = !selectedTabChanged;
if (!e.Cancel)
{
RadRibbonBarElement ribbonBar = this.Owner.Parent as RadRibbonBarElement;
if (ribbonBar != null)
{
CommandTabEventArgs args = new CommandTabEventArgs(this);
ribbonBar.CallOnCommandTabCollapsed(args);
}
}
this.Owner.InvalidateMeasure();
this.Owner.InvalidateArrange();
this.Owner.UpdateLayout();
}
else if (e.Property == RadItem.VisibilityProperty &&
((ElementVisibility)e.NewValue) == ElementVisibility.Visible)
{
RadRibbonBarElement ribbonBar = this.Owner.Parent as RadRibbonBarElement;
if (ribbonBar != null)
{
CommandTabEventArgs args = new CommandTabEventArgs(this);
ribbonBar.CallOnCommandTabExpanded(args);
ribbonBar.TabStripElement.SelectedItem = this;
}
}
}
